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Mortgage Revenue Bonds - Schedule of Investments in MRBs (Parenthetical) (Details) - USD ($)
Jun. 30, 2024
Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]    
Remaining partnership commitment fund amount $ 263,798,905  
Mortgage Revenue Bond [Member] | Meadow Valley [Member]    
Schedule Of Available For Sale Securities [Line Items]    
Remaining partnership commitment fund amount $ 14,500,000 $ 23,200,000